libbpf_android: remove libnetdutils dep

Remove libnetdutils dependency because bpf is being used for things other
than networking these days, and we don't want to make libnetdutils
vendor-available in the future. libbase provides an alternative type now.

Bug: 140330870
Test: atest libbpf_android_test netd_integration_test netd_unit_test
    libnetdbpf_test bpf_module_test
Change-Id: I72ae8cd7f58a49bfc7dcb914a332a4c4bad5dea5
diff --git a/libbpf_android/include/bpf/BpfUtils.h b/libbpf_android/include/bpf/BpfUtils.h
index c884867..965840f 100644
--- a/libbpf_android/include/bpf/BpfUtils.h
+++ b/libbpf_android/include/bpf/BpfUtils.h
@@ -26,9 +26,9 @@
 #include <string.h>
 #include <sys/socket.h>
 
+#include <string>
+
 #include "android-base/unique_fd.h"
-#include "netdutils/Slice.h"
-#include "netdutils/StatusOr.h"
 
 #define BPF_PASS 1
 #define BPF_DROP 0